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Sparse Representation (or coding) based Classification (SRC) has gained great success in face recognition in recent years. However, SRC emphasizes the sparsity too much and overlooks the correlation information which has been demonstrated…

计算机视觉与模式识别 · 计算机科学 2014-05-05 Jing Wang , Canyi Lu , Meng Wang , Peipei Li , Shuicheng Yan , Xuegang Hu

Recurrent neural networks are powerful tools for handling incomplete data problems in computer vision, thanks to their significant generative capabilities. However, the computational demand for these algorithms is too high to work in real…

计算机视觉与模式识别 · 计算机科学 2015-05-07 Ozgur Yilmaz

In this paper, we address a key limitation of existing 2D face recognition methods: robustness to occlusions. To accomplish this task, we systematically analyzed the impact of facial attributes on the performance of a state-of-the-art face…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Xiang Xu , Nikolaos Sarafianos , Ioannis A. Kakadiaris

In this work, we present a practical approach to the problem of facial landmark detection. The proposed method can deal with large shape and appearance variations under the rich shape deformation. To handle the shape variations we equip our…

计算机视觉与模式识别 · 计算机科学 2020-01-10 Seyed Mehdi Iranmanesh , Ali Dabouei , Sobhan Soleymani , Hadi Kazemi , Nasser M. Nasrabadi

After intensive research, heterogenous face recognition is still a challenging problem. The main difficulties are owing to the complex relationship between heterogenous face image spaces. The heterogeneity is always tightly coupled with…

计算机视觉与模式识别 · 计算机科学 2014-06-06 Dong Yi , Zhen Lei , Shengcai Liao , Stan Z. Li

In this study, we show that landmark detection or face alignment task is not a single and independent problem. Instead, its robustness can be greatly improved with auxiliary information. Specifically, we jointly optimize landmark detection…

计算机视觉与模式识别 · 计算机科学 2016-11-15 Zhanpeng Zhang , Ping Luo , Chen Change Loy , Xiaoou Tang

Low-rank decomposition (LRD) is a state-of-the-art method for visual data reconstruction and modelling. However, it is a very challenging problem when the image data contains significant occlusion, noise, illumination variation, and…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Chen Chen , Baochang Zhang , Alessio Del Bue , Vittorio Murino

Despite the recent success of convolutional neural networks for computer vision applications, unconstrained face recognition remains a challenge. In this work, we make two contributions to the field. Firstly, we consider the problem of face…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Daniel Sáez Trigueros , Li Meng , Margaret Hartnett

Large-scale variations still pose a challenge in unconstrained face detection. To the best of our knowledge, no current face detection algorithm can detect a face as large as 800 x 800 pixels while simultaneously detecting another one as…

计算机视觉与模式识别 · 计算机科学 2017-03-28 Yuguang Liu , Martin D. Levine

In this paper, we evaluate the effects of occlusions in the performance of a face recognition pipeline that uses a ResNet backbone. The classifier was trained on a subset of the CelebA-HQ dataset containing 5,478 images from 307 classes, to…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Tomas M. Borges , Teofilo E. de Campos , Ricardo de Queiroz

Recently regression analysis becomes a popular tool for face recognition. The existing regression methods all use the one-dimensional pixel-based error model, which characterizes the representation error pixel by pixel individually and thus…

计算机视觉与模式识别 · 计算机科学 2014-05-07 Jian Yang , Jianjun Qian , Lei Luo , Fanlong Zhang , Yicheng Gao

One of the most important problems in regression-based error model is modeling the complex representation error caused by various corruptions and environment changes in images. For example, in robust face recognition, images are often…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Miaohua Zhang , Yongsheng Gao , Jun Zhou

In this work we investigate a novel approach to handle the challenges of face recognition, which includes rotation, scale, occlusion, illumination etc. Here, we have used thermal face images as those are capable to minimize the affect of…

计算机视觉与模式识别 · 计算机科学 2010-07-06 Mrinal Kanti Bhowmik , Debotosh Bhattacharjee , Mita Nasipuri , Dipak Kumar Basu , Mahantapas Kundu

The limited capacity to recognize faces under occlusions is a long-standing problem that presents a unique challenge for face recognition systems and even for humans. The problem regarding occlusion is less covered by research when compared…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Dan Zeng , Raymond Veldhuis , Luuk Spreeuwers

Human face recognition has been a long standing problem in computer vision and pattern recognition. Facial analysis can be viewed as a two-fold problem, namely (i) facial representation, and (ii) classification. So far, many face…

计算机视觉与模式识别 · 计算机科学 2016-06-01 Mawloud Guermoui , Mohamed L. Mekhalfi

Robust feature representation plays significant role in visual tracking. However, it remains a challenging issue, since many factors may affect the experimental performance. The existing method which combine different features by setting…

计算机视觉与模式识别 · 计算机科学 2017-05-15 Yuqi Han , Chenwei Deng , Zengshuo Zhang , Jiatong Li , Baojun Zhao

Face recognition in real-time scenarios is mainly affected by illumination, expression and pose variations and also by occlusion. This paper presents the framework for pose adaptive component-based face recognition system. The framework…

计算机视觉与模式识别 · 计算机科学 2014-03-07 Shireesha Chintalapati , M. V. Raghunadh

Sparse representation based classification (SRC) is popularly used in many applications such as face recognition, and implemented in two steps: representation coding and classification. For a given set of testing images, SRC codes every…

计算机视觉与模式识别 · 计算机科学 2015-05-19 Liping Wang , Songcan Chen

The interpolative decomposition (ID) aims to construct a low-rank approximation formed by a basis consisting of row/column skeletons in the original matrix and a corresponding interpolation matrix. This work explores fast and accurate ID…

数值分析 · 数学 2024-12-23 Yijun Dong , Chao Chen , Per-Gunnar Martinsson , Katherine Pearce

Deep neural networks are proven to be vulnerable to fine-designed adversarial examples, and adversarial defense algorithms draw more and more attention nowadays. Pre-processing based defense is a major strategy, as well as learning robust…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Decheng Liu , Tao Chen , Chunlei Peng , Nannan Wang , Ruimin Hu , Xinbo Gao